Mickley Corporation produces two products, Alpha6s and Zeta7s, which pass through two operations, Sintering and Finishing. Each of the products uses two raw materials, X442 and Y661. The company uses a standard cost system, with the following standards for each product (on a per unit basis) Raw Material Standard Labor Time Product Alpha6 Zeta7 X442 1.5 kilos 3.5 kilos Y661 2.0 liters 4.0 liters Sintering 0.20 hours 0.40 hours Finishing 0.80 hours 0.90 hours Information relating to materials purchased and materials used in production during May follows Used in Production 8,800 kilos Standard Purchases 14,300 kilos 15,300 liters Purchase Cost $57,200 $24,480 rice Material X442 Y661 $3.80 per kilo $1.70 per liter 13,300 liters The following additional information is available a. The company recognizes price variances when materials are purchased b. The standard labor rate is $20.00 per hour in Sintering and $18.50 per hour in Finishing c. During May, 1,300 direct labor-hours were worked in Sintering at a total labor cost of $29,640, and 2,880 direct labor-hours were worked in Finishing at a total labor cost of $59,040 d. Production during May was 1,800 Alpha6s and 1,800 Zeta7s